GPU Comparison

NVIDIA

GEFORCE

NVIDIA GeForce GTX 660 Ti

CORE STATE GK104

VRAM 2 GB

CLOCK SPEED 980 MHz

TDP 150 W

BUS WIDTH 192 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2012

VS

NVIDIA

GEFORCE

GeForce RTX 4080

CORE STATE AD103

VRAM 16 GB

CLOCK SPEED 2505 MHz

TDP 320 W

BUS WIDTH 256 bit

ARCHITECTURE Ada Lovelace

nm

PROCESS 5 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

geekbench_opencl

15,095

240,854

geekbench_vulkan

15,511

216,045

3dmark_3dmark_steel_nomad_dx12

N/A

6,567

passmark_directx_10

N/A

204

passmark_directx_11

N/A

314

passmark_directx_12

N/A

132

passmark_directx_9

N/A

370

passmark_g2d

N/A

1,239

passmark_g3d

N/A

34,457

passmark_gpu_compute

N/A

20,671

DETAILED SPECIFICATIONS

SPECIFICATION

GTX 660 Ti

RTX 4080

Core Specs

Shading Units

1,344

9,728 +623.8%

Shaders

1,344

9,728 +623.8%

TMUs

112

304 +171.4%

ROPs

24

112 +366.7%

SM Count

—

76

Clocks

Base Clock

915 MHz

2205 MHz

Boost Clock

980 MHz

2505 MHz

Memory Clock

1502 MHz 6 Gbps effective

1400 MHz 22.4 Gbps effective

Memory

Memory Size

2 GB

16 GB

VRAM (MB)

2,048

16,384 +700.0%

Memory Type

GDDR5

GDDR6X

Memory Bus

192 bit

256 bit

Bandwidth

144.2 GB/s

716.8 GB/s

Cache

L1 Cache

16 KB (per SMX)

128 KB (per SM)

L2 Cache

384 KB

64 MB

Performance

Pixel Rate

27.44 GPixel/s

280.6 GPixel/s

Texture Rate

109.8 GTexel/s

761.5 GTexel/s

FP32 (TFLOPS)

2.634 TFLOPS

48.74 TFLOPS

FP64 (TFLOPS)

109.8 GFLOPS (1:24)

761.5 GFLOPS (1:64)

FP16 (TFLOPS)

—

48.74 TFLOPS (1:1)

AI/RT

RT Cores

—

76

Tensor Cores

—

304

Power

TDP

150 W

320 W

TDP (W)

150

320 +113.3%

Suggested PSU

450 W

700 W

Power Connectors

2x 6-pin

1x 16-pin

Architecture

Architecture

Kepler

Ada Lovelace

GPU Name

GK104

AD103

Generation

GeForce 600

GeForce 40

Process Size

28 nm

5 nm

Transistors

3,540 million

45,900 million

Die Size

294 mm²

379 mm²

Foundry

TSMC

TSMC

Density

12.0M / mm²

121.1M / mm²

API Support

DirectX

12 (11_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.175

1.4

OpenCL

3.0

3.0

CUDA

3.0

8.9

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

Dual-slot

Triple-slot

Length

241 mm 9.5 inches

310 mm 12.2 inches

Height

—

140 mm 5.5 inches

Outputs

2x DVI1x HDMI 1.4a1x DisplayPort 1.2

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x16

Other

Launch Price

299 USD

1,199 USD

Production

End-of-life

End-of-life

Predecessor

GeForce 500

GeForce 30

Successor

GeForce 700

GeForce 50

View GeForce GTX 660 Ti Details View GeForce RTX 4080 Details